Marking pen



FIG. 1 is a perspective view of a making pen showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front view of a cap of the marking pen shown in FIG. 1, with a main body removed for convenience of illustration;

FIG. 9 is a rear view thereof;

FIG. 10 is a left side view thereof;

FIG. 11 is a right side view thereof;

FIG. 12 is a top view thereof;

FIG. 13 is a bottom view thereof;

FIG. 14 is a front view of the main body of the marking pen shown in FIG. 1, with the cap removed for convenience of illustration;

FIG. 15 is a rear view thereof;

FIG. 16 is a left side view thereof;

FIG. 17 is a right side view thereof;

FIG. 18 is a top view thereof; and,

FIG. 19 is a bottom view thereof.

The broken lines shown are included to show unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a marking pen, as shown and described. 